Distributed nagios problem - service definition not found!
TIM MOORE
MOORET10 at ODJFS.STATE.OH.US
Thu Oct 7 13:51:38 CEST 2004
Jan,
Here are the lines from the services.cfg of the distributed server:
define service {
host_name localhost
service_description cpu
check_command check_local_load!3!5
use generic-service
max_check_attempts 3
normal_check_interval 3
retry_check_interval 1
check_period 24x7
notifications_enabled 0
notification_interval 0
notification_period 24x7
notification_options w,u,c,r
contact_groups admins
}
define service {
hostgroup_name ACDMZ_Switches,ACDMZ_Firewalls
service_description Check Host Alive
check_command check-host-alive
max_check_attempts 3
normal_check_interval 5
retry_check_interval 1
check_period 24x7
notification_interval 0
notification_period 24x7
notification_options w,u,c,r
notifications_enabled 1
contact_groups noc
}
My check_command is check-host-alive and not ping. Funny thing is that when the localhost cpu sends its checks, it seems to work. Although, I still don't know what to look for on the central server. Should I see some new hosts being added or does it only alarm when it fails? Do I also have to add the hosts to the central server? I only have the hosts in the ACDMZ_Switches defined on the distributed server. Just curious how we get notified of problems from the distributed server. I have a couple devices that I cannot reach via ping (check-host-alive) and they still never show as down on the central server gui.
Thanks for the help.
--------------------------------------
Tim Moore
DNS/Linux/Cisco Admin
ODJFS
>>> "Jan Scholten" <Jan.Scholten at iconz.net> 10/6/2004 4:51:05 PM >>>
Can you supply the relevant part of services.cfg?
It seems you have a misconfiguration. Are you sure the service is Check
Host Alive and not PING (like default)?
I don't know whether Nagios likes a servie_name with a blank, so try it
without!
So the return value ServiceName("Check Host Alive" in your case) must be
the same as your service_description in the services.cfg for that host.
Jan
> I just recently setup distributed nagios. I followed the directions
> very closely. I first had a problem running the nsca daemon through
> xinetd. It just wouldn't listen for incoming on 5667. I added the line
> to /etc/services also. Here is my config:
> service nsca
> {
> flags = REUSE
> socket_type = stream
> wait = no
> user = nagios
> group = nagios
> server = /usr/local/nagios/bin/nsca
> server_args = -c /usr/local/nagios/etc/nsca.cfg
> log_on_failure += USERID
> disable = no
> only_from = 10.12.225.50
> }
>
> If I run it from command line in daemon mode it works fine.
> My main problem, is that when passive checks are sent to the central
> server I keep getting this error:
> Oct 6 15:02:28 noc-mon nsca[31620]: Connection from 10.12.225.50 port
> 38784
> Oct 6 15:02:28 noc-mon nsca[31620]: Host address checks out ok
> Oct 6 15:02:28 noc-mon nsca[31620]: Handling the connection...
> Oct 6 15:02:29 noc-mon nsca[31620]: SERVICE CHECK -> Host Name:
> 'localhost', Service Description: 'cpu', Return Code: '0', Output: 'OK -
> load average: 0.00, 0.00, 0.00'
> Oct 6 15:02:29 noc-mon nsca[31620]: End of connection...
> Oct 6 15:02:30 noc-mon nagios: EXTERNAL COMMAND:
> PROCESS_SERVICE_CHECK_RESULT;localhost;cpu;0;OK - load average: 0.00,
> 0.00, 0.00
> Oct 6 15:02:39 noc-mon nsca[31817]: Connection from 10.12.225.50 port
> 39040
> Oct 6 15:02:39 noc-mon nsca[31817]: Host address checks out ok
> Oct 6 15:02:39 noc-mon nsca[31817]: Handling the connection...
> Oct 6 15:02:40 noc-mon nsca[31817]: SERVICE CHECK -> Host Name:
> 'acdmz-inside-sw2', Service Description: 'Check Host Alive', Return
> Code: '0', Output: 'PING OK - Packet loss = 0%, RTA = 0.83 ms'
> Oct 6 15:02:40 noc-mon nsca[31817]: End of connection...
> Oct 6 15:02:40 noc-mon nagios: EXTERNAL COMMAND:
> PROCESS_SERVICE_CHECK_RESULT;acdmz-inside-sw2;Check Host Alive;0;PING OK
> - Packet loss = 0%, RTA = 0.83 ms
> Oct 6 15:02:44 noc-mon nagios: Warning: Message queue contained
> results for service 'Check Host Alive' on host 'acdmz-inside-sw2'. The
> service could not be found!
>
> The localhost check acts like it works, but the simple check-host-alive
> service definition is not. I know that that service definition is on
> both servers. They are both running v1.2. Also, should I see something
> on my central server's web gui showing these hosts down? My host count
> has not been affected at all by the hosts added to the distributed
> server. Am I missing something? Is there something wrong with the
> default check-host-alive service check?
> Thanks for any help,
> --------------------------------------
> Tim Moore
> DNS/Linux/Cisco Admin
> ODJFS
>
--
Jan Scholten
Research and Development Intern
Iconz.co.nz
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